"Initial Reports, Volume 201" Shipboard Scientific Party Site 1229 Smear Slides Sample Texture Mineral Biogenic Rock Site H Cor CT Sct Top (cm) Depth (mbsf) Lithology Sand Silt Clay Calcite (30) Carbonate (35) Clay Mineral (47) Dolomite (62) Feldspar (71) Glauconite (82) Hornblende (91) Opaques (140) Plagioclase (159) Pyrite (169) Quartz (172) Diatoms (58) Foraminifers (78) Nannofossils (132) Radiolarians (173) Silicoflagellates (189) Clay size particles (255) Lithoclast (107) Silt (191) Volcanic Glass Shard (246) Comments 1229 A 1 H 1 70 0.7 D 65 35 4 59 1 1 35 Clay-rich Diatom Ooze 1229 A 1 H 2 70 2.2 M 95 5 5 30 5 5 54 1 Diatom- and Clay-bearing Silt 1229 A 1 H 3 10 3.1 D 60 40 50 40 10 * Silt-rich Diatom Clay 1229 A 2 H 1 38.5 5.29 M 10 60 30 30 1 38 1 30 Clay-rich Diatom and Nannofossil Ooze 1229 A 2 H 1 106 5.96 D 99 1 3 86 5 1 5 Diatom-bearing Plagioclase Silt 1229 A 2 H 1 107 5.97 D 90 10 3 25 10 62 Diatom- and Clay-rich Silt 1229 A 2 H 4 130 10.7 D 95 5 * * 10 1 5 84 * Diatom-rich Silt 1229 A 2 H 6 46 12.86 D 98 2 10 50 40 Pyrite-rich Quartz and Feldspar Silt 1229 A 3 H 1 56 14.96 M 100 95 2 1 2 Dolomite Silt 1229 A 3 H 3 48 17.88 M 50 50 2 48 25 25 Diatom Clay 1229 A 3 H 4 100 19.9 D 55 5 10 10 20 Clay- and Diatom-rich Quartz and Feldspar Silt 1229 A 4 H 6 108 32.48 D 4 9 78 9 Diatom- and Silt-bearing Clay 1229 A 4 H 6 110 32.5 M 5 5 1 89 Diatom-bearing Nannofossil Ooze 1229 A 5 H 3 83 37.23 M 10 5 80 5 Clay- and Diatom and Calcite-bearing Dolomite 1229 A 5 H 4 66 38.56 M 25 5 25 8 17 20 Diatom-bearing volcanic glass- and Feldspar- and Quartz-rich Clay 1229 A 6 H 1 95 40.85 D 5 45 50 4 30 5 4 35 22 Feldspar-bearing Dolomite- and Diatom-rich Silty Sand 1229 A 8 H 1 80 59.7 D 1 3 4 3 50 5 34 Foraminifer-bearing Clay-rich Diatom Ooze 1229 A 8 H 4 70 64.1 D * 3 30 4 20 8 20 15 Diatom-bearing Quartz- and Feldspar-rich Clayey Silt 1229 A 8 H 6 70 67.1 D 40 60 5 20 15 15 25 * 20 Calcite-bearing Pyrite- and Diatom-rich Silty Clay 1229 A 9 H 2 112 71.02 M 50 50 * 5 10 20 5 10 50 Diatom-bearing Quartz-rich Clay 1229 A 9 H 3 10 71.5 D 70 30 10 40 5 45 Diatom-bearing Quartz- and Silt-rich Clay 1229 A 10 H 2 125 82.15 M 84 16 84 1 5 10 Dolomite Silt with few Lithoclasts 1229 A 10 H 5 40 85.8 M 40 60 15 10 15 50 10 Quartz- and Feldspar-rich Silty Clay 1229 A 11 H 3 13 92.03 D 40 60 20 45 30 5 Volcanic glass-bearing Quartz- and Feldspar- and Silt-rich Clay 1229 A 11 H 5 73 95.63 M 80 20 2 10 10 10 68 Plagioclase- and Quartz-rich Volcanic glass 1229 A 11 H 6 124 97.64 D 41 59 1 5 25 54 15 Diatom- and Silt-rich Clay 1229 A 12 H 4 32 103.22 M 98 2 80 3 17 Organic Debris 1229 A 13 H 3 102 111.92 D 5 5 4 * 10 64 * 2 10 Feldspar-bearing Quartz- and Clay-rich Diatom Ooze 1229 A 13 H 4 50 112.9 D 3 5 3 4 75 * * * 10 Feldspar-bearing Clay-rich Diatom Ooze 1229 A 14 H 2 80 119.7 M * * * 90 10 Radiolarian-rich Diatom Ooze 1229 A 14 H 2 142 120.32 D 4 5 1 3 * 71 * 1 15 Feldspar-bearing Clay-rich Diatom Ooze 1229 A 14 H 4 137 123.27 M * 5 5 20 28 2 * 40 Dolomite-bearing Pyrite- and Diatom-rich Clay 1229 A 19 H 1 60 165.5 D 60 30 10 5 20 10 60 5 Hornblende-bearing Pyrite- and Feldspar-rich Quartz Sand 1229 D 1 H 2 105 3.05 M * 89 5 1 5 Nannofossil- and Clay-bearing Diatom Ooze 1229 D 1 H 3 100 4.5 D 20 * * * 74 1 1 4 Clay-rich Diatom Ooze 1229 D 2 H 1 65 7.45 M * 4 5 2 39 45 5 Pyrite-bearing Diatom-rich Clay 1229 D 2 H 5 48 13.28 M * 21 35 * 4 40 Clay- and Dolomite-rich Diatom Ooze 1229 D 3 H 1 50 16.8 D * 78 * 2 20 Clay-rich Diatom Ooze 1229 D 3 H 5 98 23.28 M * * * * 82 8 10 Silicoflagellate-bearing Clay-rich Diatom Ooz 1229 D 3 H 6 61 24.41 M 2 10 5 30 8 14 30 1 Diatom-bearing Quartz- and Feldspar-rich Silte 1229 D 4 H 1 63 26.43 D * * * * 65 * 5 30 Nannofossil-bearing Clay-rich Diatom Ooze 1229 D 4 H 2 30 27.6 M * 10 * 5 10 30 4 1 40 Pyrite-bearing Clay- and Quartz- and Diatom-rich Silt 1229 D 5 H 2 49 37.29 M 40 60 * 10 * 5 20 10 40 15 Pyrite-bearing Quartz- and Dolomite- and Diatom-rich Clay 1229 D 5 H 4 60 40.4 D 60 40 * 15 40 * 4 20 * * 21 Clay- and Diatom-rich Dolomite Silt 1229 D 6 H 1 53 40.33 D * 10 5 20 * 5 * 60 Nannofossil- and Quartz-bearing Dolomite- and Diatom-rich Clay 1229 D 6 H 2 70 42 D 5 4 5 20 * 66 Quartz- and Dolomite-bearing Diatom-rich Clay 1229 D 6 H 6 50 47.63 D 35 40 25 5 2 8 * 20 * 20 45 Calcite-bearing Quartz-rich Sandy Silt 1229 D 10 P 1 26 78.06 D 70 30 * * 10 * 10 30 * * 15 35 Feldspar- and Quartz- and Diatom-rich Clayey Silt 1229 D 14 H 2 70 99 D 5 4 8 30 1 1 51 Quartz- and Dolomite-bearing Diatom-rich Clayey Silt 1229 D 15 H 2 99 108.79 M * 4 94 2 Diatom Ooze 1229 D 15 H 3 65 109.95 D * 5 * 5 4 83 3 * Pyrite- and Dolomite-bearing Diatom Ooze 1229 D 15 H 4 40 111.2 M 15 85 5 10 8 * 1 71 5 Calcite-bearing Dolomite-rich Silty Clay